that was five minutes after governor romney began his concession speech in boston. miami mayor carlos gimenez apologized to voters, but he insisted officials had done all they could. >> we had a very long ballot. it was the longest ballot in florida history. were there problems in certain precincts? without a doubt. >> suarez: and the county elections department said it was simply a numbers game. >> this is volume driven. >> suarez: late today, election workers in miami-dade county and across florida were still counting thousands of absentee ballots. delays mean the presidential result has not been made final. the state has until saturday to certify results and confirm who will get the 29 electoral votes. for more on the ongoing ballot counting in florida and the sluggish voting elsewhere, we turn to marc caputo, the "miami herald's" political writer. and curt anderson of the associated press. he's been tracking problems in polling places across the country. i know conditions varied from place to place, but what were the main drivers of the really long waits to cast